Home / 829,999.20-1,244,998.80-755,203.80

Finding the Fourth Proportional to 829,999.20, 1,244,998.80 and 755,203.80

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Solution

The fourth proportional to 829,999.20, 1,244,998.80 and 755,203.80 is: 1,132,805.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,999.20 : 1,244,998.80 = 755,203.80 : x
  2. Step 2: Convert to fraction form
    829,999.20/1,244,998.80 = 755,203.80/x
  3. Step 3: Cross multiply
    829,999.20x = 1,244,998.80 × 755,203.80
  4. Step 4: Simplify right side
    829,999.20x = 940,227,824,755.44
  5. Step 5: Solve for x
    x = 940,227,824,755.44/829,999.20
  6. Step 6: Final answer
    x = 1,132,805.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.